add unused source for benchmarks no longer used

Author: mattip

codespeed/migrations/0006_benchmark_source_unused.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.13 on 2026-05-31 17:55
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('codespeed', '0005_benchmark_source_result_suite_version'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='benchmark',
+            name='source',
+            field=models.CharField(choices=[('legacy', 'Legacy'), ('pyperformance', 'PyPerformance'), ('unused', 'Unused')], default='legacy', max_length=14),
+        ),
+    ]

codespeed/models.py

@@ -175,6 +175,7 @@ class Benchmark(models.Model):
     S_TYPES = (
         ('legacy', 'Legacy'),
         ('pyperformance', 'PyPerformance'),
+        ('unused', 'Unused'),
     )
     D_TYPES = (
         ('U', 'Mean'),